Cisco Systems 78-10588-03 manual Problem Probable Cause Solution

Chapter 3 Installing the Chassis

Troubleshooting

Table 3-2 Troubleshooting Tips (continued)

Problem	Probable Cause	Solution
Not	Fiber-optic connectors are loose.	Check and reseat connectors.
receiving
	Tx-Rx connectors are not matched.	Switch Tx-Rx connectors.
remote data
	Remote cables are not properly	Trace and properly connect cable.
	seated.
	Remote link power exceeds	Troubleshoot and retest remote link.
	budget.
	Channel card is not connected.	Connect all required optical fiber cables to the
		channel card.
	Fiber links are dirty or blown.	Clean or replace fiber cables.
Inactive line	Link is not connected.	Connect all required optical fiber cables of the line
is not in		to the channel card.
standby
	Remote link power exceeds	Troubleshoot and retest remote link.
mode
	budget.
	Fiber links are dirty or blown.	Clean or replace fiber cables.
No password	A non-supported adapter is being	Use the supplied DB-9 to RJ-45 adapter or an
prompt after	used to connect to the Cisco Metro	adapter that includes DCD/DTR1 flow control and
entering a	1500 series serial port.	RTS/CTS2 flow control.
proper login
name

1.DCD/DTR = data carrier detect/data terminal ready

2.RTS/CTS = request to send/clear to send

	Cisco Metro 1500 Series Hardware Installation Guide
78-10588-03		3-29